Object Oriented Design courses can help you learn principles like encapsulation, inheritance, and polymorphism, along with design patterns such as Singleton and Factory. You can build skills in creating reusable code, improving software maintainability, and designing systems that are easier to understand and extend. Many courses introduce tools like UML for modeling, as well as programming languages such as Java and Python, which are commonly used to implement object-oriented concepts in real-world applications.

Skills you'll gain: Generative Engine Optimization (GEO), Prompt Engineering, Web Analytics and SEO, Search Engine Optimization, Search Engine Marketing, Generative AI, Marketing Strategy and Techniques, Blogs, Digital Marketing, Content Marketing, Content Creation, Web Content, Semantic Web, Keyword Research, Content Strategy, Growth Strategies, Artificial Intelligence, Web Analytics, Competitive Analysis, Performance Measurement
★ 4.7 (88) · Intermediate · Specialization · 1 - 3 Months

Skills you'll gain: Selenium (Software), Java Programming, Java, Object Oriented Programming (OOP), Object Oriented Design, Eclipse (Software), File I/O, Test Tools, File Management, Cascading Style Sheets (CSS), Extensible Markup Language (XML), Test Automation, Extensible Languages and XML, Computer Programming, Development Environment, Integrated Development Environments, Software Testing, Test Script Development, Test Case, Data Structures
★ 4.6 (7) · Beginner · Specialization · 3 - 6 Months
University of Washington
Skills you'll gain: Unsupervised Learning, Supervised Learning, Data Science, Machine Learning Methods, Predictive Analytics, Applied Machine Learning, Analytics, Data Analysis, R Programming, Model Optimization, Statistical Methods, Decision Tree Learning, Statistical Inference, Statistical Analysis, Machine Learning, Statistics, Graph Theory, Classification Algorithms, Network Analysis, Big Data
★ 4.1 (325) · Mixed · Course · 1 - 4 Weeks

Coursera
Skills you'll gain: Stored Procedure, SQL, Data Presentation, Query Languages, Relational Databases, Database Development, Database Administration, Data Science
★ 4.5 (409) · Advanced · Guided Project · Less Than 2 Hours

University of Colorado Boulder
Skills you'll gain: Pharmacology, Healthcare Industry Knowledge, Pharmaceuticals, Medication Administration, Research, Substance Abuse, Mental and Behavioral Health, Public Health, Health Policy, Public Health and Disease Prevention, Epidemiology, Public Policies, Research Design, Law, Regulation, and Compliance, Risk Analysis, Biology, Research Methodologies
★ 4.8 (348) · Beginner · Course · 1 - 4 Weeks
University of Illinois Urbana-Champaign
Skills you'll gain: Management Accounting, Performance Measurement, Variance Analysis, Budgeting, Accounting, Capital Budgeting, Financial Accounting, Performance Management, Financial Data, Performance Metric, Operating Budget, Cost Management, Organizational Strategy, Key Performance Indicators (KPIs), Financial Analysis, Organizational Structure, Decision Making
★ 4.7 (651) · Intermediate · Course · 1 - 4 Weeks

University of Colorado Boulder
Skills you'll gain: Semiconductors, Electrical Engineering, Electronics, Electronics Engineering, Electrical and Computer Engineering, Hardware Design, Materials science, Engineering Analysis, Engineering Calculations, Mathematical Modeling, Physics
★ 3.7 (52) · Advanced · Course · 1 - 3 Months

Skills you'll gain: User Story, Business Requirements, Requirements Analysis, Requirements Elicitation, Business Analysis, User Requirements Documents, Gap Analysis, Requirements Management, Business Systems Analysis, Project Documentation, Functional Specification, Diagram Design, Business Process Modeling, Needs Assessment
★ 4.6 (108) · Beginner · Course · 1 - 4 Weeks

Universidade de São Paulo
Skills you'll gain: Lifelong Learning, Learning Strategies, Peer Review, Collaborative Software, Diagram Design, Collaboration, Information Architecture, Community Development, Team Collaboration, Constructive Feedback
★ 4.9 (412) · Beginner · Course · 1 - 3 Months

University of London
Skills you'll gain: Virtual Reality, Augmented and Virtual Reality (AR/VR), 3D Assets, Unity Engine, Virtual Environment, Computer Graphics, Video Game Development, Computer Graphic Techniques, Game Design, Performance Tuning
★ 4.6 (387) · Intermediate · Course · 1 - 4 Weeks

University at Buffalo
Skills you'll gain: Process Mapping, Performance Improvement, Data Collection, Process Improvement, Process Improvement and Optimization, Business Process, Business Process Improvement, Process Design, Data Strategy, Process Analysis, Data-Driven Decision-Making, Performance Measurement, Process Flow Diagrams, Business Priorities, Data Validation, Business Process Modeling, Plan Execution, Data Capture, Operational Performance Management, Performance Analysis
★ 4.6 (275) · Beginner · Course · 1 - 4 Weeks

Board Infinity
Skills you'll gain: Object Oriented Programming (OOP), Object Oriented Design, Java Programming, Spring Framework, Java, Spring Boot, Computer Programming, Code Reusability, Programming Principles, Application Frameworks, Data Structures, Development Environment
Intermediate · Course · 1 - 4 Weeks